1640277704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{508771}}^1$

素因数の和:508821

約数の個数: 32

約数和(自身を含む): 3418947840

約数和(自身を除く): 1778670136

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 508771, 1017542, 2035084, 4070168, 6614023, 13228046, 15771901, 26456092, 31543802, 52912184, 63087604, 126175208, 205034713, 410069426, 820138852, 1640277704]

約数ペア:

[(1, 1640277704), (2, 820138852), (4, 410069426), (8, 205034713), (13, 126175208), (26, 63087604), (31, 52912184), (52, 31543802), (62, 26456092), (104, 15771901), (124, 13228046), (248, 6614023), (403, 4070168), (806, 2035084), (1612, 1017542), (3224, 508771)]